Hydraulics & Fluid Mechanics According to Bernoulli’s equation for steady ideal fluid flow principle of conservation of mass holds total energy is constant throughout velocity and pressure are inversely proportional the energy is constant along a stream-line but may vary across streamlines principle of conservation of mass holds total energy is constant throughout velocity and pressure are inversely proportional the energy is constant along a stream-line but may vary across streamlines ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics The continuity equation pi V,A,= p2V2A2 is based on the following assumption regarding flow of fluid (where pi and p2 are mass densities.) frictionless flow incompressible flow uniform flow steady flow frictionless flow incompressible flow uniform flow steady flow ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics The normal stress is same in all directions at a point in a fluid irrespective of the motion of one fluid layer relative to an adjacent layer When there is no motion of one fluid layer relative to an adjacent layer only when the fluid is incompressible and has zero viscosity only when the fluid is frictionless irrespective of the motion of one fluid layer relative to an adjacent layer When there is no motion of one fluid layer relative to an adjacent layer only when the fluid is incompressible and has zero viscosity only when the fluid is frictionless ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics In a two dimensional incompressible steady flow around an airfoil, the stream lines are 2 cm apart at a great distance from the airfoil, where the velocity is 30 m/sec. The velocity near the airfoil, where the stream lines are 1.5 cm apart, is 22.5 M/SEC 33 M/SEC 50 M/SEC 40 M/SEC 22.5 M/SEC 33 M/SEC 50 M/SEC 40 M/SEC ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics Choose the wrong statement fluids conform to the shape of the con-taining vessels when in equilibrium, fluids cannot sustain tangential forces when in equilibrium, fluids can sustain shear forces fluids are capable of flowing fluids conform to the shape of the con-taining vessels when in equilibrium, fluids cannot sustain tangential forces when in equilibrium, fluids can sustain shear forces fluids are capable of flowing ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics Specific weight of sea water is more that of pure water because it contains suspended matter dissolved salt All of these dissolved air suspended matter dissolved salt All of these dissolved air ANSWER DOWNLOAD EXAMIANS APP
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